Collers bookbiding the adhesive must have good liquidity in order for the glue is full of glued surface adhesion of microhole, and can only be glued object rugged surface to a true across the Board.

• 书刊装订所用胶粘剂必须具有良好的流动性，才能使胶液充满被粘物体表面的微孔，在粘合时才能与被粘物体凹凸不平的表面达到全面地真正的接触。